Home / 243,878.70-365,856-144,110.79

Finding the Fourth Proportional to 243,878.70, 365,856 and 144,110.79

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Solution

The fourth proportional to 243,878.70, 365,856 and 144,110.79 is: 216,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,878.70 : 365,856 = 144,110.79 : x
  2. Step 2: Convert to fraction form
    243,878.70/365,856 = 144,110.79/x
  3. Step 3: Cross multiply
    243,878.70x = 365,856 × 144,110.79
  4. Step 4: Simplify right side
    243,878.70x = 52,723,797,186.24
  5. Step 5: Solve for x
    x = 52,723,797,186.24/243,878.70
  6. Step 6: Final answer
    x = 216,188.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.